... welding machine Lithium-ion,Ni-MH, nickel-cadmium, button battery spot welderElectronic wire, sheet metal, all kinds of metal ... random. To use the dual-pulse can ensure welding film and solder joint beauty. 7 segments LED show each ... welding.2, The application of weldingLithium-ion battery (group), Ni-MH battery (group), nickel-cadmium battery (group), buttonbatteries. Electronic wire, sheet metal, ...